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Finding the Fourth Proportional to 12,235.41, 16,883.91 and 7,199.82

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Solution

The fourth proportional to 12,235.41, 16,883.91 and 7,199.82 is: 9,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.41 : 16,883.91 = 7,199.82 : x
  2. Step 2: Convert to fraction form
    12,235.41/16,883.91 = 7,199.82/x
  3. Step 3: Cross multiply
    12,235.41x = 16,883.91 × 7,199.82
  4. Step 4: Simplify right side
    12,235.41x = 121,561,112.90
  5. Step 5: Solve for x
    x = 121,561,112.90/12,235.41
  6. Step 6: Final answer
    x = 9,935.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.